<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=331959
-->
<head>
  <title>Test for Bug 331959</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=331959">Mozilla Bug 331959</a>
<p id="display">
  <iframe id="link-in-link-mouse"></iframe>
  <iframe id="link-in-link-keyboard"></iframe>
  <iframe id="input-in-link-mouse"></iframe>
  <iframe id="input-in-link-keyboard"></iframe>
  <iframe id="button-in-link-mouse"></iframe>
  <iframe id="button-in-link-keyboard"></iframe>
</p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 331959 **/
SimpleTest.waitForExplicitFinish();

const FAILURL = "data:text/plain,FAIL";
const PASSURL = "data:text/plain,PASS";

var currentTest = 0;
var tests = [ testLinkInLinkMouse, testLinkInLinkKeyboard,
              testInputInLinkMouse, testInputInLinkKeyboard,
              testButtonInLinkMouse, testButtonInLinkKeyboard ];
function doNextTest() {
  if (currentTest == tests.length) {
    SimpleTest.finish();
  } else {
    tests[currentTest++]();
  }
}

function generateLinkInLink(id, desc) {
  var doc = $(id).contentDocument;
  var outerA = doc.createElement("a");
  var innerA = doc.createElement("a");
  outerA.id = "outer";
  innerA.id = "inner";
  innerA.href = PASSURL;
  outerA.href = FAILURL;
  innerA.appendChild(doc.createTextNode("Text"));
  outerA.appendChild(innerA);
  doc.body.appendChild(outerA);
  $(id).onload = function() {
    is(this.contentDocument.documentElement.textContent, "PASS", desc);
    // Have to remove the iframe we used from the DOM, because the harness is
    // stupid and doesn't have enough space for more than one iframe.
    $(id).parentNode.removeChild($(id));
    doNextTest();
  };
  return [innerA, $(id).contentWindow];
}

function testLinkInLinkMouse() {
  var [innerA, testWin] =
    generateLinkInLink("link-in-link-mouse",
                       "Clicking an inner link should load the inner link");
  synthesizeMouseAtCenter(innerA, {}, testWin);
}

function testLinkInLinkKeyboard() {
  var [innerA, testWin] =
    generateLinkInLink("link-in-link-keyboard",
                       "Hitting enter on an inner link should load the inner link");
  innerA.focus();
  synthesizeKey("VK_RETURN", {}, testWin);
}

function generateInputInLink(id, desc) {
  var doc = $(id).contentDocument;
  doc.body.innerHTML =
    "<form action='" + PASSURL + "'><a href='" + FAILURL +
    "'><input type='submit' id='submit'>";
  $(id).onload = function() {
    is(this.contentDocument.documentElement.textContent, "PASS?", desc);
    // Have to remove the iframe we used from the DOM, because the harness is
    // stupid and doesn't have enough space for more than one iframe.
    $(id).parentNode.removeChild($(id));
    doNextTest();
  };
  var input = doc.getElementById("submit");
  doc.body.offsetWidth;
  return [input, $(id).contentWindow];
}

function testInputInLinkMouse() {
  var [input, testWin] =
    generateInputInLink("input-in-link-mouse",
                        "Clicking an submit input inside an anchor should submit the form");
  synthesizeMouseAtCenter(input, {}, testWin);
}

function testInputInLinkKeyboard() {
  var [input, testWin] =
    generateInputInLink("input-in-link-keyboard",
                        "Return on submit input inside an anchor should submit the form");
  input.focus();
  synthesizeKey("VK_RETURN", {}, testWin);
}

function generateButtonInLink(id, desc) {
  var doc = $(id).contentDocument;
  doc.body.innerHTML =
    "<form action='" + PASSURL + "'><a href='" + FAILURL +
    "'><button type='submit' id='submit'>Submit</button>";
  $(id).onload = function() {
    is(this.contentDocument.documentElement.textContent, "PASS?", desc);
    // Have to remove the iframe we used from the DOM, because the harness is
    // stupid and doesn't have enough space for more than one iframe.
    $(id).parentNode.removeChild($(id));
    doNextTest();
  };
  var button = doc.getElementById("submit");
  return [button, $(id).contentWindow];
}

function testButtonInLinkMouse() {
  var [button, testWin] =
    generateButtonInLink("button-in-link-mouse",
                        "Clicking an submit button inside an anchor should submit the form");
  synthesizeMouseAtCenter(button, {}, testWin);
}

function testButtonInLinkKeyboard() {
  var [button, testWin] =
    generateButtonInLink("button-in-link-keyboard",
                        "Return on submit button inside an anchor should submit the form");
  button.focus();
  synthesizeKey("VK_RETURN", {}, testWin);
}

// We need focus to handle clicks properly
SimpleTest.waitForFocus(doNextTest);

</script>
</pre>
</body>
</html>
